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Contents
require 'helper'
describe Flipper::Gates::PercentageOfActors do
let(:feature_name) { :search }
subject {
described_class.new
}
describe "#open?" do
context "when compared against two features" do
let(:percentage) { 0.05 }
let(:percentage_as_integer) { percentage * 100 }
let(:number_of_actors) { 100 }
let(:actors) {
(1..number_of_actors).map { |n| Struct.new(:flipper_id).new(n) }
}
let(:feature_one_enabled_actors) do
gate = described_class.new
actors.select { |actor| gate.open? actor, percentage_as_integer, feature_name: :name_one }
end
let(:feature_two_enabled_actors) do
gate = described_class.new
actors.select { |actor| gate.open? actor, percentage_as_integer, feature_name: :name_two }
end
it "does not enable both features for same set of actors" do
feature_one_enabled_actors.should_not eq(feature_two_enabled_actors)
end
it "enables feature for accurate number of actors for each feature" do
margin_of_error = 0.02 * number_of_actors # 2 percent margin of error
expected_enabled_size = number_of_actors * percentage
[
feature_one_enabled_actors.size,
feature_two_enabled_actors.size,
].each do |actual_enabled_size|
actual_enabled_size.should be_within(margin_of_error).of(expected_enabled_size)
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems